**To display patch group registrations** The following ``describe-patch-groups`` example lists the patch group registrations. :: aws ssm describe-patch-groups Output:: { "Mappings": [ { "PatchGroup": "Production", "BaselineIdentity": { "BaselineId": "pb-0123456789abcdef0", "BaselineName": "ProdPatching", "OperatingSystem": "WINDOWS", "BaselineDescription": "Patches for Production", "DefaultBaseline": false } }, { "PatchGroup": "Development", "BaselineIdentity": { "BaselineId": "pb-0713accee01234567", "BaselineName": "DevPatching", "OperatingSystem": "WINDOWS", "BaselineDescription": "Patches for Development", "DefaultBaseline": true } }, ... ] } For more information, see `Create a Patch Group` <https://docs.aws.amazon.com/systems-manager/latest/userguide/sysman-patch-group-tagging.html>__ and `Add a Patch Group to a Patch Baseline <https://docs.aws.amazon.com/systems-manager/latest/userguide/sysman-patch-group-patchbaseline.html>`__ in the *AWS Systems Manager User Guide*.